Yes, see second-to-last question of:

http://www.psc.edu/networking/projects/hpn-ssh/faq.php

What's needed now is
1) a request to be made from Ubuntu pointing out to upstream that it is a 
significant issue they should address (either with this patch or some other 
way), and
2) meanwhile, either apply the patch, or make available alternative versions of 
openssh-client and openssh-server that have the patch applied, as other distros 
have.

Given the nature of security software, I can understand not wanting to
apply the patch if upstream hasn't, but providing clearly-marked
alternatives should not be similarly inhibited.  It's a factor of 20
performance improvement we're talking about here.

Also, if you make alternatives available, please do not disable the None
cipher.  It's hard enough to enable that nobody will use it
accidentally, but for LANs it can make a factor of 4 or more speed
difference, which is a lot for those of us dealing with terabyte
datasets and trying to back them up over the net.

Thanks again,

--jh--

-- 
openssh: want hpn-ssh for 20x speed improvement!
https://bugs.launchpad.net/bugs/162253
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